Gong door-bell



(No Model.)

J. P. CONNELL. GONG DOOR BELL.

Patentd Mar. 18, 1896).

UNITED STATES PATENT ()FFICE.

JOHN P. CONNELL, OF KENSINGTON, OONNECTICUT.

GONG DOOR-BELL.

SPEOIFIOATION forming part of Letters Patent No. 423,414, dated March 18, 1890.

Application filed Maroh 23, 1889.

T0 all w7wm it may concern:

Be it known that I, JOHN P. CONNELL, of Kensington, in the county of Hartford and State of Oonnecticut, have invented certain new and useful Improvementsin Gong Door- Bells, of whieh the following is a full, clear, and exactdescriptionwhereby any one skilled in the art can make and use the same.

'i l1e object of my invention is to provide a door.gong-bell t-hat shall be simple in construction and embody a simple and cheap form of striking mechanism; and to this end my nvention consists in the combination of the several parts making up the structure as a wl1ole, as more particularly l1ereinafter described, and pointed out in tl1e claims.

Referring to the drawings, Figure 1 is a plan view of the base of the bell and the operative parts. Fig. 2 is a detail view in eentral vertical section of the bell when in position for use. Fig. 3 is a detail rear view of the trip-wheel shown in position f01 lifting the tumble1z Fig. 4 is a detail view showing tl1e position of parts with the tumbler 1e leased fl'0111 the trip.

In the accompanying drawings, the letter (0 denotes the base of the bell, that is of ordinary form and construction, and is provided with the openings a, through which screws are driven to fasten the bell to a door 12. The tu1nbler 0 is pivoted to a stud dnear one edge of the base of the bell, and extends across it to a pointwhere it is pivotally connected to an mm 6 of the hammenlever e, that bears tl1e hammer 6. This hammerdever is pivotally supported on a stud f, that is fixed to the baseplate, and the tu1nbler is held in contact with a stop 01 shoulder g on the baseplate with a yielding pressure by means of the mainspring h. (Sec Fig. 1.) When the above parts are in position, as described, the striking-face of the hammer lies close to.and just out of con tact With the inner face of the sounding-shell 2, that is secured to the post 2", that projects from the central part ofthe base-plate.

\Vithin a socket 3 in the baseplate is mounted the hub 7a, that is held by the cover c against lengthwise movement in the socket, but is free to rotate, as by means of the handle 1, the squared shank Z of Which fits into a corresponding socket is" in the hub, An arm 7c projects from one side of the hub into a Serial No. 304,481, (No model.)

recess m, that is for1ned in ihe side of the trip-wheel m, the socket being considerably wider than the arm on the hub. This tripwheel is mounted so as to turn freely upon the hub a limited clistance, determined by the width of this socket. This trip-wheel is provided with a series of arms 01 111gsm, having rounded surfaces, as shown, that are adaptecl 130 encounter the lug c en the tu1nbler c as ihe trip-wheel is rotatedas by means of the handle Z In operating this bell the parts being as sembled as shown in the drawings, the haudle Z is turned as in the directon shown by the arrows in Figs. 3 and 4:, and this rotary movement of the handle carries with it, through the medium of the hub, the trip-wheel m. As soon as the highest poiut of an a11n m passes the lug 0, the tu1nbler c, that is lifted against the pressure of the spring h, is pushed downward toward the wheel, chat 1noves freely a suificient clistance to 0fie1 but slight resistance to the downward move1nent of thetun1- ble1 under the impulse of the spring, the trip wheel n10ving about to the position shown in Fig. 4. WVl1en tl1e tumloler is lifted, as by means of the tripwheel just described, it tu1ns the hamn1er-lever on its pivot and swin;s the hammer e away from the gong; but as soon as the a1m m has slipped past the lug c on the tu1nbler the quick. return movement of the latter, under the impulse of the spring, swings tl1e hammer toward the gong, that is thrown with a rebounding blow against it, so as to ring in I claim as my invention 1. In a gongloell in combinat-on with the base-plate, the spring-impelled tumblei piv ote d 130 the plate and having a projecting lug lying in the path of movement of the tripwheel, the hammerdevm: pivotally connected to the baseplate and to the tumbler, tl1e tripwheel hearing a number of arms and 1nounted on a rotary hub, the l1ub rot-arily supported on the baseplate, and the handle whereby the hub is rotated, all substantially as described.

2. In a gongloell, in combination with the base-plate, tl1e rotary trip-wheel with its proj ecting anus, the swinging tumbler pivoted to ihe baseplate aud having a projecting lug no1mally arranged in the patl1 of movement of the t1ip wheel, tl1e slot to receive the end IOO Of the hammer-lever, the ma-nspring h, holding the tumbler normally in engagement with the trip-wheel, and the hammer-lever e, pV- oted to the base-plate and connectecl to the 5 tumble1 by the arm e, havng an end projecting into a s1ot in the tumbler a-nd hearing the hammer 6", all substanoally as deserbed.

3. In a gong-bell, in combinaton with the base-plate a, hzwng the swngng tumb1er 0, m with 1ugs 0, the manspring h, the hammerlever e, pvoted to the base-plate and connected to the tumbler by the mm 6, and bearng"rhe hmmer 6", the rotary trp-wheel m, having the socket m' and arms m", the hub 7e, up0n which the sad trip-wheel is loosely the socket m in the trip-wheel, and the hand1e Z, by means of whch the hub and. tripwhee1 may be rotated, a11 substantally as de- 

